package com.itheima.mapper;

import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {
    /*//统计总数
    @Select("select count(*) from emp;")
    Long count();*/
    //分页
    /*@Select("select * from emp limit #{start},#{pageSize};")
    List<Emp> list(Integer start,Integer pageSize);*/

    //插件查询
    List<Emp> list(String name, Short gender, LocalDate begin, LocalDate end);

    //批量删除
    void delete(List<Integer> ids);

    //插入
    @Insert("insert into emp(username, name, gender, image, job, entrydate, dept_id, create_time, update_time) values (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime});")
    void insert(Emp emp);

    @Select("select * from emp where id = #{id};")
    Emp selectById(Integer id);


    void update(Emp emp);

    @Select("select * from emp where username = #{username} and password =#{password};")
    Emp findUandP(Emp emp);

    @Delete("delete from emp where dept_id  = #{id};")
    void deleteByDeptId(Integer id);
}
